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February 28, 2014

In the home performance industry, most standards require extensive testing to identify vented appliances that could backdraft and spill exhaust gases, particularly when homes are air-sealed. But how good are these tests at finding problems? ... [continue reading]

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July 01, 2013

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February 25, 2013

After I described how air can get sucked down the chimney and vent connector and flue, and out the draft diverter of the gas water heater, and into the basement, the mother, who was now ... [continue reading]

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January 02, 2013

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June 29, 2012

According to DOE’s Building America program data, typical residential ductwork efficiency is about 67%. That means that if you install a 90% efficient furnace, your system efficiency would be just over 60%. Another way to look ... [continue reading]

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September 01, 2011

At Pure Energy, we are finding more and more IAQ problems caused by pollutants that are supposed to be outside the living space, but are being drawn into the living space by unbalanced house pressures. [continue reading]